. >> happening now in rome, the highest court is again considering the fate of amanda knox. she and her italian boyfriend were convicted and then acquitted of murdering her roommate. the prosecution who kept her behind bars for four years are arguing she should go back did jail but the family is searching for the truth the. >> the doctor convicted in the death of michael jackson is filing a new appeal. he will try to clear his involuntary manslaughter conviction. murray says the prosecution did not prove jackson was hooked up to an i.v. drip, a narcotic that killed him. murray said he gave michael jackson something to help him sleep but the similars contend the pop star administered the fatal dose himself. jackson's family has filed a wrongful delegate suit against murray. >> in tech news, apple is paying a new acquisition. the "wall street journal" reports they are buying wi-fi slam for $20 million. the start-up has developed ways for mobile apps to difficult ticket a phone user's location in a building using wi-fi signals. it is offering the technology to other developers for indoor map ping.